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I- <br /> 10 ' .� <br /> WATER WORK <br /> WELL/BORING LOG <br /> PROJECT WESTERN STONE TRACY LOCATION 8181 W. 11TH STREET,-TRACY, CA PROJECT NO. 20195-1 <br /> VELL/BORING Nd HV2 SURFACE ELEVATION FT WELLHEAD ELEVATIDN FT <br /> DATE DRILLED 10/23/89 REVIEWED BY RUSSELL JURCAL RG3664 LOGGED BY ROBERT AIN .AI <br /> DRILLING COMPANY OSTERBERG & STEWART DRILLER T. OLSEN METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 10 IN DEPTH DRILLED 21 FT DEPTH TO JIATER, INITIAL ET STATIC FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 6 FT <br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 6 ET TO 21 FT <br /> FILTER PACK TYPE M13NTERE' SAND 43 INTERVAL 5 FT TO 21 FT <br /> SURFACE SEAL TYPE 9 SACK SAND SLURRY/BENTONITE INTERVAL 0 FT TO 5 FT <br /> NOTES <br /> VELL DEPTH PID SAMPLE ID USfi SIML DESCRIPTION <br /> DETAIL (FT.) (PPM) BLOWCOUNI LOG <br /> 0 0-6' CONCRETE <br /> ST 6'-6' LN CLY (0.), TRACE SMA 2X SND, ANG-RNA M HRD, WELL GRDD, <br /> 987. CLY, H DRY STRMGTK NO DLTNCY. M-H TGHNSS, M-M PLST, NP0. <br /> 2 SL MST, DRK BRN <br /> 1 <br /> 0. <br /> 4 <br /> 0.Y SLT/SLTY CLY CHL/CU, L-M DRY STRNGTH, SL DLTNCY, M TGHNSS, <br /> M PLST. NPO. MST, YLLV BRN <br /> 8 MW2A <br /> = 2 NOTE, VET AT 9 FEET <br /> 3 <br /> 10 4 <br /> 12 ML/CL <br /> = 14 16-21' LN CLY (CU. TRACE SNA 2% SNA ANG-RNA M HRD. WELL GRDD, <br /> 98% CLY, H DRY STRNGTK Na DLTNCY, M-H TCHNSS, M-H PLST, NPD. <br /> — SL MST - MST, DRK BRN <br /> 16 <br /> 18 <br /> CL <br /> = 20 <br /> 22 <br /> 24 ���ftED GC <br /> 0 <br /> e c, <br /> 26 RUSSELL W. `n-+ <br /> NpqL <br /> 28 <br /> � No. 386 3a6 <br /> 4 �c <br /> 32 OF CAlIfO��\! <br /> 34 <br /> 12 36 <br /> at 38 <br /> 40 <br /> of PAGE I OF I <br />